Al Mukalla vs metropolis

Al Mukalla and metropolis both are nouns.

Word	Noun	Adjective	Verb	Adverb
Al Mukalla	Yes	No	No	No
metropolis	Yes	No	No	No

Al Mukalla (noun)	metropolis (noun)
a port in southern Yemen on the Gulf of Aden to the east of Aden	people living in a large densely populated municipality
	a large and densely populated urban area; may include several independent administrative districts